Cascade of History makes regional history feel close enough to touch. The show works from Seattle outward across Washington, Oregon, Idaho, and British Columbia, following the buildings, broadcasts, parks, names, anniversaries, and preservation fights that shape public memory in the Pacific Northwest. It is not a museum-label kind of history. It sounds like a live conversation from a place with damp sidewalks, old studios, volunteer boards, and people still arguing over what should be saved. One episode may preview a public meeting about the Dr. Annie Russell House and the Saving Local History Roadshow. Another may stay with Gasworks Park as preservation advocates try to explain paperwork, deadlines, safety concerns, and the role of the Landmarks Preservation Board. The show is comfortable with process. That matters, because much of its drama lives in process: grant funding, hazard correction orders, volunteer offers, endangered-place listings, and the gap between official action and community trust. It also has room for delight. A bonus episode about Lebam, Washington begins with a town name and follows it back through Ruth Leonard’s family connection. The Washtucna episode turns an endangered hardware building into a vivid object, complete with a false front, theater history, roof damage, and a strange second-story emergency slide. Historic preservation here is never abstract. It is wood, metal, weather, memory, and somebody trying to keep the roof from failing. The show also knows that history lives in audio. Episodes use vintage Apollo 13 coverage, CBS Radio News reflections, and a remembered Jim Robson interview to treat broadcasting as a regional artifact in its own right. The Magnuson Park live remote adds another layer, tying the centennial of the Around the World Flight to the former Sand Point Naval Air Station and Lake Washington aviation stories. Some episodes are celebratory. Others are wary. Discussions of orca captures, park safety, demolished houses, and vanishing radio institutions give the show a sober edge without turning it cold. Cascade of History suits listeners who like their history local, conversational, and specific enough to name the building, the road, the board, and the person who showed up.